International Journal of Antennas and Propagation / 2015 / Article / Tab 1

Research Article

Low-Profile Magnetic Loop Monopole Antenna Based on a Square Substrate-Integrated Cavity

Table 1

Comparison of different low-profile monopole patch antennas from the literature.

This work [2] [3] [4] [5] [6] [7] [8]

Cavity geometry Square and shorting vias Square and 4 shorting strips Circle Circle Circle and shorting vias Square and 2 shorting strips Circle and shorting strips Circle and shorting vias

Mode(s) , , , (multiple modes) ,

Substrate-integrated

Frequency (GHz) 5.8 3–5.5 5.9 5.8 2.26 1.7–2.5 2.15–14 5.05–6.65

Largest dimension (mm) 23 (diagonal) 0.4 ⋅ 74 (diagonal) 0.7 ⋅ 62 (diameter) 1.2 ⋅ 40 (diameter) 0.8 ⋅ 67 (diameter) 0.5 ⋅ 57 (diagonal) 0.3 ⋅ 40 (diameter) 0.5 ⋅ 64 (diameter) 1.1 ⋅ 

Substrate height (mm) 3.2 ( = 2.1) 8 (foam) 1.5
( = 2.94)
0.79
( = 2.33)
3.2
( = 2.33)
12 (air) 10 (air) 1.5 ( = 2.65)

Bandwidth 2.1% 70% 12.8% 1.5% 18% >50% 147% 27.4%